English

What is the General Name of the Materials Which Contain at Least Two Pure Substances and Show the Properties

Advertisements
Advertisements

Question

What is the general name of the materials which contain at least two pure substances and show the properties
of their constituents ?

Short/Brief Note
Advertisements

Solution

Materials that are made up of two or more pure substances and show the properties of their constituents are called mixtures.

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Is Matter Around Us Pure - Very Short Answers [Page 56]

APPEARS IN

Lakhmir Singh Chemistry Part 2 [English] Class 9
Chapter 2 Is Matter Around Us Pure
Very Short Answers | Q 15 | Page 56

RELATED QUESTIONS

Fill in the blank :

The substances which can flow are called ________


Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?


Name a non-metal which is a good conductor of electricity.


What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?


The element which is not common between the compounds called baking soda and soda ash is


The elements which normally exist in the liquid state are :


Choose the correct answer.

A 5 per cent sugar solution means that :


Classify the following into true solutions and colloidal solutions:

Ink, Salt solution, Starch solution, Blood, Sugar solution


100 mL of water at room temperature of 25°C is taken in a beaker and a little of solid S is dissolved in it by stirring to obtain a solution X. More and more of solid S is added to the solution with constant stirring, while keeping the temperature of solution constant at 30°C. After some time it is observed that no more solid dissolves in water and at the same time some solid is also left undissolved at the bottom of the beaker.

  1. The contents of beaker are filtered through a filter paper to obtain solution Y in the form of a filtrate.
  2. What name is given to solutions like X ?
  3. What name is given to solutions like Y ?
  4. What will you observe if the solution Y at 30°C is cooled down to 10°C by keeping the beaker in crushed ice ? Why ?
  5. What term is used to denote the amount of solid dissolved in 100 grams of water in a solution lie Y ?

What is the general name of the process by which tea-leaves are separated from prepared tea ?


How would you separate iodine from a mixture of iodine and common salt ?


Which one of the following scrap metal cannot be separated by magnetic separation ?


Asmita went to buy an earthen pot. There she saw many things kept for sale.
How did she identify what she needed?


Complete the given analogy.

Murukku from hot oil: ______:: Coffee powder residue from decoction: ______


Match the physical quantities given in column A to their S I units given in column B:

(A) (B)
(a) Pressure (i) cubic metre
(b) Temperature (ii) kilogram
(c) Density (iii) pascal
(d) Mass (iv) kelvin
(e) Volume (v) kilogram per cubic metre

You want to wear your favourite shirt to a party, but the problem is that it is still wet after a wash. What steps would you take to dry it faster?


Give some examples of the Tyndall effect observed in your surroundings?


Gases change to liquid by the process of ______.


Define the term matter.


Write a scientific reason.

Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×